Propylene Glycol (PG) Anti-Freeze Tester 
For testing propylene glycol-based antifreeze in automotive radiators. Accurate to -50° F.* Ball Float to show freeze protection. Tests coolant hot or cold. Pocket protector.
*see FAQ for explanation of burst protection vs freeze protection
WARNING May Cause Cancer and Reproductive Harm www.P65Warnings.ca.gov
Shipping Weight 0.05 lb.
Availability: In stock.